She’s a repaint of a Black Series Sabine Wren. I removed Sabine’s head and reworked the neck, allowing it to be swappable with an unmasked noggin (a Suicide Squad Harley head).

The name comes from the diamond shapes on her armor. I wanted to design something that was clearly Harley, without being a direct application of the usual motifs. A little change keeps things interesting. (In-story, the name comes from a successful bounty on some stolen diamonds. Much destruction and carnage was involved.)